/* 重口社官网 zksapp.mom */
:root {
  --bg: #0c0d10;
  --bg-soft: #14161c;
  --bg-card: #1a1c22;
  --line: #2a2d36;
  --text: #f2f3f5;
  --muted: #9aa0ab;
  --accent: #49a35e;
  --accent-hover: #5bc472;
  --danger: #c43c3c;
  --gold: #e6c35c;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --max: 1180px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(73, 163, 94, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(196, 60, 60, 0.08), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

#ads img {
  max-width: none;
  height: 65px;
  width: 65px;
  object-fit: contain;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
}

.container {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 13, 16, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover,
.nav a.active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  cursor: pointer;
}

.nav-toggle .bar {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
}

.nav-toggle .bar::before,
.nav-toggle .bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.nav-toggle .bar::before {
  top: -6px;
}

.nav-toggle .bar::after {
  top: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #fff !important;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent) !important;
}

.btn-outline:hover {
  background: rgba(73, 163, 94, 0.12);
}

/* Hero */
.hero {
  padding: 56px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(73, 163, 94, 0.15);
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.25;
}

.hero-lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.hero-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

/* Sections */
.section {
  padding: 48px 0;
}

.section-alt {
  background: rgba(20, 22, 28, 0.65);
  border-block: 1px solid var(--line);
}

.section-head {
  margin-bottom: 28px;
  max-width: 760px;
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.feature h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.shot {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.shot img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  background: #000;
}

.shot-body {
  padding: 14px 16px 18px;
}

.shot-body h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.shot-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.prose {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
}

.prose h2,
.prose h3 {
  margin-top: 1.6em;
}

.prose h2:first-child,
.prose h3:first-child {
  margin-top: 0;
}

.prose p,
.prose li {
  color: #d5d8df;
}

.prose ul,
.prose ol {
  padding-left: 1.2em;
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.seo-block {
  margin-top: 28px;
}

.seo-block h2 {
  font-size: 1.35rem;
  margin: 0 0 12px;
}

.seo-block h3 {
  font-size: 1.1rem;
  margin: 22px 0 8px;
}

.seo-block p {
  color: #d5d8df;
  margin: 0 0 14px;
}

.faq details {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  color: var(--muted);
  margin: 10px 0 0;
}

.cta-band {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(73, 163, 94, 0.18), rgba(196, 60, 60, 0.1)),
    var(--bg-card);
  border: 1px solid var(--line);
}

.cta-band h2 {
  margin: 0 0 10px;
}

.cta-band p {
  margin: 0 0 18px;
  color: var(--muted);
}

/* Page header for subpages */
.page-hero {
  padding: 40px 0 20px;
}

.page-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.page-hero p {
  margin: 0;
  color: var(--muted);
}

.breadcrumb {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 12px;
}

.breadcrumb a {
  color: var(--muted);
}

.breadcrumb a:hover {
  color: var(--accent);
}

/* Error pages */
.error-wrap {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px 16px;
}

.error-wrap .code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
  margin: 0;
}

.error-wrap h1 {
  margin: 12px 0;
}

.error-wrap p {
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 22px;
}

/* Footer */
.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--line);
  background: #090a0c;
  padding: 36px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 10px;
}

.footer-brand p,
.footer-col p {
  color: var(--muted);
  margin: 8px 0 0;
  font-size: 0.92rem;
}

.footer-col h4 {
  margin: 0 0 10px;
  font-size: 0.95rem;
}

.footer-col a {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.footer-col a:hover {
  color: var(--accent);
}

.copyright {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

/* Mobile */
@media (max-width: 960px) {
  .hero-grid,
  .grid-2,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    width: min(220px, calc(100vw - 32px));
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    background: rgba(20, 22, 28, 0.98);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    z-index: 120;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px 14px;
    border-radius: 8px;
  }

  .nav a:hover,
  .nav a.active {
    background: rgba(73, 163, 94, 0.12);
  }

  .nav .btn {
    width: 100%;
    margin-top: 4px;
    border-radius: 999px;
  }

  .header-inner {
    flex-wrap: nowrap;
  }

  .hero {
    padding-top: 32px;
  }

  .hero-visual img {
    max-width: 280px;
  }

  .shot img {
    aspect-ratio: 9 / 14;
  }
}

@media (max-width: 640px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .prose {
    padding: 20px 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}